We're hearing this morning from the families of both oscoscar pistorius and of his model girlfriend who pistorius is accused of killing on valentine's day. The olympian's family insists the shooting was a t accident. Meantime, riva's father is also spreeing out with a somewhat surprising statement of sympathy. Abc's bazi kanani has more from pretoria, south africa. Reporter: For the first time the pistorius family comes forward to personally defend their world famous relative suddenly accused of murder. As you can imagine is also numb with shock and grief. Reporter: Oscar pistorius's friends and families believe he mistook his girlfriend telling "the sunday telegraph" when you are a sportsman you act mon on instinct. Things happen and that's what you did. His best friend said he called him after the shooting to say there's been a terrible accident, I shot reeva. I can promise you with the knowledge I have he will come out right. Reporter: Prosecutors disagree he is not a murderer and say neighbors reported hearing an argument at the house just hours before the shooting and police sources told local media eva was shot through the bathroom door where she may have been trying to hide to save herself. Among her father's few comments to reporters. We ask the lord every day to help us find a reason this should happen to reeva, the memory of their daughter lives on on national tv where the reality show she recently taped premiered this weekend with a special tribute and telling last I think the way that you go off, must the way you go out, make your exit is so important, even made an impact in a positive or negative way but just maintaining secrecy and just always treat yourself. Reporter:STEENKAMP'S FATHER Expressed sympathy for pistorius saying there was to hatred in his heart. It will stay here until his bai hearing tuesday where we expect to learn pore de tays of the evidence police have been gathering.

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